1. Describe the conditions that must exist for a force to do work on an object.
2. Calculate the work done on an object.
3. Describe and calculate power.
4. Compare the units of watts and horsepower as they relate to power.
14.2 Work and Machines
Objectives:
1. Describe what a machine is and how it makes work easier to do.
2. Relate the work input to a machine to the work output of the machine.
14.3 Mechanical Advantage and Efficiency
Objectives:
1. Compare a machine's actual mechanical advantage to its ideal mechanical advantage.
2. Calculate the ideal and actual mechanical advantages of various machines.
3. Explain why the efficiency of a machine is always less than 100%.
4. Calculate a machine's efficiency.
14.4 Simple Machines
Objectives:
1. Name, describe, and give an example of each of the six types of simple machines.
2. Describe how to determine the ideal mechanical advantage of each type of simple machine.
3. Define and identify compound machines.
Work Online Lab
Notes
14.1 Work and Power
Objectives:
1. Describe the conditions that must exist for a force to do work on an object.
2. Calculate the work done on an object.
3. Describe and calculate power.
4. Compare the units of watts and horsepower as they relate to power.
14.2 Work and Machines
Objectives:
1. Describe what a machine is and how it makes work easier to do.
2. Relate the work input to a machine to the work output of the machine.
14.3 Mechanical Advantage and Efficiency
Objectives:
1. Compare a machine's actual mechanical advantage to its ideal mechanical advantage.
2. Calculate the ideal and actual mechanical advantages of various machines.
3. Explain why the efficiency of a machine is always less than 100%.
4. Calculate a machine's efficiency.
14.4 Simple Machines
Objectives:
1. Name, describe, and give an example of each of the six types of simple machines.
2. Describe how to determine the ideal mechanical advantage of each type of simple machine.
3. Define and identify compound machines.
Virtual Simple Machines Lab
Part 1: Website #1
Part 2: Website #2
Part 3: Website #3
Part 4: Website #4A
Website #4B
EdHead Online Activity
Simple Machines Activity
Online Activities and Videos
Honda Commercial
Simple Machines Review
Simple Machines - MSI
Simple Machines Game - MSI
Simple Machines - NeoK12
Ok Go Music Video
America's Got Talent
50 Rube Goldberg Machine Ideas
Simple Machines WebQuest
WebQuest website
Quiz